AUTHOR=Höner Oliver , Dugandzic Damir , Hauser Thomas , Stügelmaier Michael , Willig Nico , Schultz Florian 

TITLE=Do you have a good all-around view? Evaluation of a decision-making skills diagnostic tool using 360° videos and head-mounted displays in elite youth soccer

JOURNAL=Frontiers in Sports and Active Living

VOLUME=Volume 5 - 2023

YEAR=2023

URL=https://www.frontiersin.org/journals/sports-and-active-living/articles/10.3389/fspor.2023.1171262

DOI=10.3389/fspor.2023.1171262

ISSN=2624-9367

ABSTRACT=Elite youth players’ decision-making skills are considered important predictors of adult performance in soccer. The presentation of 360° videos in head-mounted displays offers new potential for the diagnostic of these skills in talent development programs. This study evaluated a new diagnostic tool using soccer-specific 360° videos for assessing decision-making skills in youth academy (YA) players. The evaluation consisted of players’ subjective feedback as well as the analysis of diagnostic and prognostic validity. It was hypothesized that high-level YA players achieve better diagnostic results than regional-level players, and U19 outperform U17 players. Moreover, YA players’ diagnostic results should be positively associated with future adult performance level.
During the 2018/19 season, N = 48 youth players participated in the diagnostic procedures (split-half reliability r=.78). Participants were shown 54 videos which terminated when the central midfielder received a teammate’s pass. Participants were then asked how to best continue playing. The subjective evaluation explored players’ experiences with the diagnostic tool via quantitative ratings (e.g., “How exciting was the task?”, “Involved in game situation?”) and additional interviews. Diagnostic validity was examined in a balanced cross-sectional 2x2-design (performance level x age group) and prognostic validity in a 3-year prospective design. Sensitivity and case-by-case analyses completed the evaluation. 
The YA players provided positive quantitative ratings regarding their experienced immersion into the environment. Players’ qualitative feedback indicated general acceptance of the diagnostic tool as well as it offered recommendations for improvements. Confirming the diagnostic validity, ANOVA revealed significant main effects for performance level (p˂.001, ²=.29) and age group (p˂.01, ²=.14). Contributing to the prognostic validity, the diagnostic results discriminated between YA players achieving a higher and a lower adult performance level (“League 1-4” vs. “League 5 or below”) in adulthood (p<.05; d=0.80). A ROC curve and the AUC showed that the correct assignment to the adult performance levels is possible with a 71% probability. YA players with a high decision-making accuracy had a six times higher chance of playing in “League 1-4”.